Erbijsommen t/m 1.000
Optellen
| 1. | 468 + 142 = |
939
|
660
|
783
|
610
|
| 2. | 458 + 105 = |
729
|
563
|
566
|
595
|
| 3. | 437 + 390 = |
827
|
618
|
639
|
748
|
| 4. | 313 + 247 = |
931
|
966
|
940
|
560
|
| 5. | 476 + 231 = |
809
|
707
|
706
|
879
|
| 6. | 486 + 318 = |
577
|
511
|
804
|
884
|
| 7. | 373 + 109 = |
287
|
401
|
215
|
482
|
| 8. | 349 + 265 = |
802
|
576
|
614
|
532
|
| 9. | 424 + 392 = |
938
|
762
|
816
|
781
|
| 10. | 327 + 271 = |
786
|
598
|
676
|
630
|
| 11. | 265 + 158 = |
312
|
249
|
381
|
423
|
| 12. | 368 + 121 = |
486
|
297
|
210
|
489
|